The Performance Tool W5233 Heat-Shrink Tubing Assortment is a versatile and convenient addition to your toolkit. With four different diameters and five different colors, this assortment includes 60 pieces of 100% polyolefin tubing that is UL listed for long-lasting performance and safety. The divided container keeps the tubing organized and easily accessible, making it easy to find the right size and color for any job. Suitable for automotive, marine, and electrical work, this heat-shrink tubing assortment is a must-have for professional electricians and DIY enthusiasts alike.